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<TITLE>JavaScript Source Code 3000:  Page Details:  Dynamic Sized Image</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="date" CONTENT="2000-09-09">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="Ed Churnside">
<META NAME="section" CONTENT="Page Details">
<META NAME="description" CONTENT="Sometimes, your image does not look very good in different sized browser windows.  This script will proportionally resize a graphic to fit within the current window or frame when a page is loaded, thus giving a more consistent and attractive look to your page.">

<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Ed Churnside -->
<!-- Web Site:  http://www.dragonquest.com/inddpl.htm -->

<!-- Additional documention available online at -->
<!-- http://www.dragonquest.com/dplsspic.htm -->




<!-- Begin
function showpic(src, w, h, alt, aln, pw, ph, bw, bh) {
if (src == null) return;
var iw, ih; // Set inner width and height
if (window.innerWidth == null) {
iw = document.body.clientWidth;
ih=document.body.clientHeight; 
}
else {
iw = window.innerWidth;
ih = window.innerHeight;
}
if (w == null) w = iw;
if(h == null)  h = ih;
if(alt == null) alt = "Picture";
if(aln == null) aln = "left";
if(pw == null) pw = 100;
if(ph == null) ph = 100;
if(bw == null) bw = 24;
if(bh == null) bh = 24;
var sw = Math.round((iw - bw) * pw / 100);
var sh = Math.round((ih - bh) * ph / 100);
if ((w * sh) / (h * sw) < 1) sw = Math.round(w * sh / h);
else sh = Math.round(h * sw / w);
document.write('<img src="'+src+'" alt="'+alt+'" width="'+sw+'" height="'+sh+'" align="'+aln+'">');
}
// End -->
</script>
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<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
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<A HREF="index.htm" /page-details/"><font color="#FF0000"><b>Page Details</b></font></A>
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<FONT COLOR="#006666"><b>Dynamic Sized Image</b></font></font>
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<!-- Description --><!--content_start-->
Sometimes, your image does not look very good in different sized browser windows.  This script will proportionally resize a graphic to fit within the current window or frame when a page is loaded, thus giving a more consistent and attractive look to your page.
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<!-- Demonstration -->
<font face="verdana" size="-2" color="red">
Notice how the image fits your browser window perfectly. <br> 
Try resizing your browser window and then <b>reload</b> the page.</font>
<p>
<script language="javascript">
showpic("../img/dynamic-sized-image/crowd.gif", 350, 113, "A crows of people", "middle");
</script>
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<P>
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<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Page Details:  Dynamic Sized Image</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s).  The script is yours!!!
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<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  1.64 KB" size=24>
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<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- TWO STEPS TO INSTALL DYNAMIC SIZED IMAGE:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  Ed Churnside --&gt;
&lt;!-- Web Site:  http://www.dragonquest.com/inddpl.htm --&gt;

&lt;!-- Additional documention available online at --&gt;
&lt;!-- http://www.dragonquest.com/dplsspic.htm --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function showpic(src, w, h, alt, aln, pw, ph, bw, bh) {
if (src == null) return;
var iw, ih; // Set inner width and height
if (window.innerWidth == null) {
iw = document.body.clientWidth;
ih=document.body.clientHeight; 
}
else {
iw = window.innerWidth;
ih = window.innerHeight;
}
if (w == null) w = iw;
if(h == null)  h = ih;
if(alt == null) alt = "Picture";
if(aln == null) aln = "left";
if(pw == null) pw = 100;
if(ph == null) ph = 100;
if(bw == null) bw = 24;
if(bh == null) bh = 24;
var sw = Math.round((iw - bw) * pw / 100);
var sh = Math.round((ih - bh) * ph / 100);
if ((w * sh) / (h * sw) &lt; 1) sw = Math.round(w * sh / h);
else sh = Math.round(h * sw / w);
document.write('&lt;img src="'+src+'" alt="'+alt+'" width="'+sw+'" height="'+sh+'" align="'+aln+'"&gt;');
}
// End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Copy this code into the BODY of your HTML document  --&gt;

&lt;BODY&gt;

&lt;script language="javascript"&gt;
showpic("crowd.gif", 362, 113, "A crows of people", "middle");
&lt;/script&gt;

 

&lt;!-- Script Size:  1.64 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

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